Digital Taxonomyhttp://digitaltaxonomy.infobio.net/
was born in January 1998 re-built using the fine CMSimple; provides a range of links on software, methodologies, standards, data sources, and projects related to biodiversity data management, with emphasis on open source and free software tools for biodiversity informatics. Also provides links of over 200 open source biological software related websites.

The DELTA programs
originally developed at CSIRO Entomology; The DELTA format (DEscription Language
for TAxonomy) is a flexible and powerful method of recording taxonomic
descriptions for computer processing. It was adopted as a standard for data
exchange by Biodiversity Information Standards (TDWG).

Lucid software is a special type of expert system, specifically designed for identification and diagnostic purposes, which enables expert knowledge to be “cloned” and distributed to a wide audience via CD or the Internet. The large number of functions incorporated in the software and the ability to include multi-media makes the creation and use of identification and diagnostic keys easy and effective.

Visual
key (VK) is a cross-platform, interactive, rich-graphic web application for
identification of organisms. It was written on Java
Script 1.2, which allows creation of fast and small programs simultaneously.
It has a browser detection function and special branches for Netscape Navigator
and Internet Explorer.